JPS5694515A - Method of controlling gain of circuit for amplifying signal supplied from read head installed in relation with data carrier* and device for performing same method - Google Patents
Method of controlling gain of circuit for amplifying signal supplied from read head installed in relation with data carrier* and device for performing same methodInfo
- Publication number
- JPS5694515A JPS5694515A JP16599680A JP16599680A JPS5694515A JP S5694515 A JPS5694515 A JP S5694515A JP 16599680 A JP16599680 A JP 16599680A JP 16599680 A JP16599680 A JP 16599680A JP S5694515 A JPS5694515 A JP S5694515A
- Authority
- JP
- Japan
- Prior art keywords
- relation
- circuit
- signal supplied
- data carrier
- read head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
- G11B5/027—Analogue recording
- G11B5/035—Equalising
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
Landscapes
- Digital Magnetic Recording (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7931080A FR2472304A1 (en) | 1979-12-19 | 1979-12-19 | METHOD FOR CONTROLLING THE GAIN OF CIRCUITS AMPLIFYING SIGNALS DELIVERED BY A READING HEAD ASSOCIATED WITH AN INFORMATION CARRIER AND DEVICE FOR IMPLEMENTING THE SAME |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5694515A true JPS5694515A (en) | 1981-07-31 |
JPH0135422B2 JPH0135422B2 (en) | 1989-07-25 |
Family
ID=9232936
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16599680A Granted JPS5694515A (en) | 1979-12-19 | 1980-11-27 | Method of controlling gain of circuit for amplifying signal supplied from read head installed in relation with data carrier* and device for performing same method |
Country Status (5)
Country | Link |
---|---|
US (1) | US4392164A (en) |
EP (1) | EP0032324B1 (en) |
JP (1) | JPS5694515A (en) |
DE (1) | DE3061071D1 (en) |
FR (1) | FR2472304A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01174123A (en) * | 1987-12-28 | 1989-07-10 | Alpine Electron Inc | Automatic input/output characteristic adjusting method in a/d converter |
US5606544A (en) * | 1994-05-23 | 1997-02-25 | Olympus Optical Co., Ltd. | Optical information recording and regenerating apparatus which regulates the amplitude of a regenerated signal |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59207068A (en) * | 1983-05-10 | 1984-11-24 | Panafacom Ltd | Floppy disc device |
FR2557722B1 (en) * | 1983-12-30 | 1986-04-11 | Bull Sa | METHOD FOR WRITING INFORMATION ON A RECORDING MEDIUM |
DE3689023T2 (en) * | 1985-10-08 | 1994-02-10 | Sharp Kk | Waveform processing circuit. |
US4772964A (en) * | 1985-11-30 | 1988-09-20 | Kabushiki Kaisha Toshiba | Recorded data reproducing apparatus capable of performing auto-gain adjustment |
FR2615995A1 (en) * | 1987-05-27 | 1988-12-02 | Bull Sa | INFORMATION WRITING MODE ON A MAGNETIC RECORDING MEDIUM |
JPH0198165A (en) * | 1987-10-09 | 1989-04-17 | Mitsubishi Electric Corp | Magnetic disk device |
JPH05120616A (en) * | 1991-10-25 | 1993-05-18 | Teac Corp | Disk device |
DE4319322C2 (en) * | 1993-06-11 | 1998-04-23 | Heidenhain Gmbh Dr Johannes | Position measuring device |
US6501611B1 (en) * | 1999-04-27 | 2002-12-31 | International Business Machines Corporation | Data recovery apparatus, method and memory medium for a magnetic memory read/write channel |
JP4008677B2 (en) * | 2001-06-29 | 2007-11-14 | 富士通株式会社 | Information recording / reproducing apparatus, signal decoding circuit, recording structure and method of information recording medium |
US7864477B1 (en) * | 2007-08-13 | 2011-01-04 | Marvell International Ltd. | Circuits, architectures, apparatuses, systems, algorithms and methods and software for automatic gain calibration of a burst signal stream |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1340204A (en) * | 1961-06-29 | 1963-10-18 | Ibm | Automatic gain control circuits for electrical pulses |
US3660821A (en) * | 1970-06-17 | 1972-05-02 | Burroughs Corp | Disc file agc circuit |
US3725885A (en) * | 1970-09-28 | 1973-04-03 | Ibm | Method and apparatus for amplitude sensing and data gating in a magnetic-storage device with digital interface |
US3879674A (en) * | 1973-12-27 | 1975-04-22 | Burroughs Corp | Automatic gain control circuit |
FR2346806A1 (en) * | 1976-03-31 | 1977-10-28 | Honeywell Bull Soc Ind | MODE OF WRITING ADDRESS ON MAGNETIC RECORDING MEDIUM |
US4074325A (en) * | 1977-02-22 | 1978-02-14 | Teac Corporation | System for sensing the peaks of an output from a magnetic head |
BE875285A (en) * | 1978-04-24 | 1979-10-03 | Cit Alcatel | AUTOMATIC GAIN CONTROL CIRCUIT |
US4298898A (en) * | 1979-04-19 | 1981-11-03 | Compagnie Internationale Pour L'informatique Cii Honeywell Bull | Method of and apparatus for reading data from reference zones of a memory |
US4326226A (en) * | 1980-05-08 | 1982-04-20 | Storage Technology Corporation | Constant bandwidth automatic gain control |
-
1979
- 1979-12-19 FR FR7931080A patent/FR2472304A1/en active Granted
-
1980
- 1980-10-06 EP EP80401421A patent/EP0032324B1/en not_active Expired
- 1980-10-06 DE DE8080401421T patent/DE3061071D1/en not_active Expired
- 1980-11-27 JP JP16599680A patent/JPS5694515A/en active Granted
- 1980-12-02 US US06/212,155 patent/US4392164A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01174123A (en) * | 1987-12-28 | 1989-07-10 | Alpine Electron Inc | Automatic input/output characteristic adjusting method in a/d converter |
US5606544A (en) * | 1994-05-23 | 1997-02-25 | Olympus Optical Co., Ltd. | Optical information recording and regenerating apparatus which regulates the amplitude of a regenerated signal |
Also Published As
Publication number | Publication date |
---|---|
FR2472304B1 (en) | 1984-03-09 |
JPH0135422B2 (en) | 1989-07-25 |
DE3061071D1 (en) | 1982-12-16 |
EP0032324A1 (en) | 1981-07-22 |
US4392164A (en) | 1983-07-05 |
FR2472304A1 (en) | 1981-06-26 |
EP0032324B1 (en) | 1982-11-10 |
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